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author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-04 14:45:31 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2010-10-04 14:45:31 +0000 |
commit | fdeb31bbf8fe1d887ab47e6204952b8e118ab1ef (patch) | |
tree | e70013b67c533219aa45b2ff0a0d2bf64e24b7e7 /sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java | |
parent | 56f0d297c6eba38d5187431ed9319a97ff5d6094 (diff) |
Renaming 2.0-M5.1 releasi cadidate release tag
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1004266 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java new file mode 100644 index 0000000000..1dac8a2c9a --- /dev/null +++ b/sca-java-2.x/tags/2.0-M5.1-RC1/modules/binding-rest-runtime/src/main/java/org/apache/tuscany/sca/binding/rest/provider/RESTServiceListenerServlet.java @@ -0,0 +1,118 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.tuscany.sca.binding.rest.provider; + +import java.io.IOException; +import java.util.Calendar; +import java.util.Date; +import java.util.GregorianCalendar; + +import javax.servlet.Servlet; +import javax.servlet.ServletConfig; +import javax.servlet.ServletException; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.binding.rest.RESTBinding; +import org.apache.tuscany.sca.common.http.HTTPCacheContext; +import org.apache.tuscany.sca.common.http.HTTPContext; +import org.apache.tuscany.sca.common.http.HTTPHeader; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; +import org.apache.tuscany.sca.invocation.MessageFactory; + +/** + * Servlet responsible for dispatching HTTP service requests to the + * target component implementation. + * + * @version $Rev$ $Date$ + */ +public class RESTServiceListenerServlet extends HttpServlet implements Servlet { + + private static final long serialVersionUID = -5543706958107836637L; + + transient private RESTBinding binding; + transient private ServletConfig config; + transient private MessageFactory messageFactory; + transient private Invoker serviceInvoker; + + /** + * Constructs a new HTTPServiceListenerServlet. + */ + public RESTServiceListenerServlet(Binding binding, Invoker serviceInvoker, MessageFactory messageFactory) { + this.binding = (RESTBinding) binding; + this.serviceInvoker = serviceInvoker; + this.messageFactory = messageFactory; + } + + public ServletConfig getServletConfig() { + return config; + } + + public String getServletInfo() { + return ""; + } + + public void init(ServletConfig config) throws ServletException { + this.config = config; + } + + public void destroy() { + + } + + @Override + public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { + HTTPContext bindingContext = new HTTPContext(); + bindingContext.setHttpRequest(request); + bindingContext.setHttpResponse(response); + + // Dispatch the service interaction to the service invoker + Message requestMessage = messageFactory.createMessage(); + requestMessage.setBindingContext(bindingContext); + requestMessage.setBody(new Object[]{request, response}); + Message responseMessage = serviceInvoker.invoke(requestMessage); + if (responseMessage.isFault()) { + // Turn a fault into an exception + //throw new ServletException((Throwable)responseMessage.getBody()); + Throwable e = (Throwable)responseMessage.getBody(); + ((HttpServletResponse)response).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e.toString()); + } else { + //handles declarative headers configured on the composite + for(HTTPHeader header : binding.getHttpHeaders()) { + //treat special headers that need to be calculated + if(header.getName().equalsIgnoreCase("Expires")) { + GregorianCalendar calendar = new GregorianCalendar(); + calendar.setTime(new Date()); + + calendar.add(Calendar.HOUR, Integer.parseInt(header.getValue())); + + response.setHeader("Expires", HTTPCacheContext.RFC822DateFormat.format( calendar.getTime() )); + } else { + //default behaviour to pass the header value to HTTP response + response.setHeader(header.getName(), header.getValue()); + } + + } + } + } +} |